Questions

Q:

In addition to nitric acid, another acid which may render iron passive is 

A) acetic acid B) oxalic acid
C) chromic acid D) citric acid
 
Answer & Explanation Answer: C) chromic acid

Explanation:

Passivity of iron is due to formation of an extremely thin and impervious film of ferrosoferric oxide Fe3O4on the surface of iron. Chromic acid, being a powerful oxidising agent (like nitric acid ) renders iron passive. 

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Filed Under: Chemistry

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Q:

The first stage in the formation of coal is

A) Lignite B) Bituminous
C) Anthracite D) Peat
 
Answer & Explanation Answer: D) Peat

Explanation:

The first of the four stages of coal formation is lignite coal.

 

There are four stages of coal formation:

 

1. Peat,

 

2. Lignite,

 

3. Bituminous and

 

4. Anthracite.

The bacteria has removed a large portion of the other constituents of the plant matter and left around 25 to 34 percent.

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Filed Under: General Science
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk , Analyst

8 4327
Q:

The function of an assembler is ________

A) To convert basic language into machine language B) To convert high level language into machine language
C) To convert assemble language into machine language D) To convert assemble language into high level language
 
Answer & Explanation Answer: C) To convert assemble language into machine language

Explanation:
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Filed Under: Computer
Exam Prep: Bank Exams

2 4325
Q:

Govind Talwalkar,recipient of the recently announced B.D.Goenka Award for excellence in Journalism, was the editor of which of the following newspapers

A) LokSatta B) The Maharastra Times
C) The Tribune D) Nay Bharat Times
 
Answer & Explanation Answer: B) The Maharastra Times

Explanation:
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Filed Under: Famous Personalities

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Q:

Which Stack is used in 8086?

Answer

FIFO (First In First Out) stack is used in 8086. In this type of Stack the First Stored Information is retrieved first.

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Subject: Hardware

0 4322
Q:

A project charter is one of the key deliverables to come from the initiation process. The project charter should by issued by 

A) one or more functional managers B) The head of the performing organization
C) A manager external to the project D) The CFO
 
Answer & Explanation Answer: C) A manager external to the project

Explanation:

The other answers could be accurate in specific situations, but their role alone does not meet the keyb criterion of being "external" to the project team. Answers A, B, and D are incorrect because these individuals are not external to the project.

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Filed Under: PMP Certification

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Q:

Which helps prevent errors in DNA replication?

A) Complementary base pairing reduce errors B) DNA ligase checks the DNA for errors
C) DNA is located in the ribosomes D) Any base can pair with any other base
 
Answer & Explanation Answer: A) Complementary base pairing reduce errors

Explanation:

DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.

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Filed Under: Biology
Exam Prep: AIEEE , Bank Exams , CAT
Job Role: Analyst , Bank Clerk , Bank PO

3 4321
Q:

A Map is an Array,which contains the addresses of the free space in swap device that are allocatable resources,and the number of the resource unit available there.

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

The given statement is clearly true.

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Subject: Operating Systems
Exam Prep: GRE

2 4320